package com.ruige.account.interceptor;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Enumeration;

@Component
public class FeignInterceptor implements RequestInterceptor {


    @Override
    public void apply(RequestTemplate template) {
        //传递令牌
        RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();

        if (requestAttributes != null) {
            HttpServletRequest request = ((ServletRequestAttributes) requestAttributes).getRequest();

            if (request != null) {
                Enumeration<String> headerNames = request.getHeaderNames();

                if (headerNames != null) {
                    while (headerNames.hasMoreElements()) {
                        String headerName = headerNames.nextElement();

                        if ("authorization".equals(headerName)) {
                            String headerValue = request.getHeader(headerName);  //Bearer jwt
                            //传递令牌
                            template.header(headerName, headerValue);
                        }
                    }
                }
            }
        }


    }
}
